NCRP exposure recommendations

Card Set Information

Author:
RadiationTherapy
ID:
259414
Filename:
NCRP exposure recommendations
Updated:
2014-05-04 11:10:58
Tags:
radiation therapy
Folders:
Registry Review
Description:
Registry Review: NCRP exposure recommendations
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  1. The dose equivalent limit for the lens of the eye:
    (nonstochastic/deterministic)
    • 15 rem/year
    • (150 mSv)
  2. The dose equivalent limit for the skin and extremities:
    (nonstochastic/deterministic)
    • 50 rem/year
    • (500 mSv)
  3. 1 rem = _____ mSv = _____ mrem = 0.01 Sv
    1 rem = 10 mSv = 1,000 mrem = 0.01 Sv
  4. The annual occupational whole body exposure effective dose equivalent limit (stochastic effects)
    • 5 rem/year
    • (50 mSv)
  5. The annual effective dose equivalent limit for the general public with continuous or frequent exposure:
    • 0.1 rem/year
    • (1 mSv)
  6. The annual effective dose equivalent limit for the general public with infrequent exposure:
    • 0.5 rem/year
    • (5 mSv)
  7. The occupational exposure cumulative (lifetime) exposure limit:
    • 1 rem X age in years
    • (10 mSv X age in years)
  8. The embryo-fetus exposure total dose equivalent limit:
    • 0.5 rem/pregnancy
    • (5 mSv)
  9. The embryo-fetus exposure dose equivalent in a month:
    • 0.05 rem/month
    • (0.5 mSv)
  10. According to the NCRP shielding guidelines for a controlled area, the shielding must be sufficient to reduce exposure to no more than ___________.
    • 100 mrem per week
    • (1 mSv)
  11. The annual maximum permissible dose (MPD) for the general public is:
    • 0.1 rem per year
    • (1 mSv)

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